One of Japan's largest oil and energy companies, Idemitsu Kosan Co., Ltd. was established in 1911. Idemitsu Kosan is a corporation with ¥38.8 billion capitalization (April, 2004) that enjoys a major share of Japan's lubricant market. Idemitsu's headquarters is in Tokyo and it operates five refineries and over 6,000 gas stations. Other Idemitsu subsidiaries are involved in crude oil development, crude oil transportation, coal mining, and the production and marketing of petrochemical products. Idemitsu has also established a finance company to issue credit cards.
